Finding the Fourth Proportional to 10,359.27, 14,293.71 and 7,167.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.27 : 14,293.71 = 7,167.57 : x
2. Step 2: Convert to fraction form
   10,359.27/14,293.71 = 7,167.57/x
3. Step 3: Cross multiply
   10,359.27x = 14,293.71 × 7,167.57
4. Step 4: Simplify right side
   10,359.27x = 102,451,166.98
5. Step 5: Solve for x
   x = 102,451,166.98/10,359.27
6. Step 6: Final answer
   x = 9,889.81